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Finding the Fourth Proportional to 36,891.25, 50,909.93 and 20,124.25

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Solution

The fourth proportional to 36,891.25, 50,909.93 and 20,124.25 is: 27,771.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,891.25 : 50,909.93 = 20,124.25 : x
  2. Step 2: Convert to fraction form
    36,891.25/50,909.93 = 20,124.25/x
  3. Step 3: Cross multiply
    36,891.25x = 50,909.93 × 20,124.25
  4. Step 4: Simplify right side
    36,891.25x = 1,024,524,158.80
  5. Step 5: Solve for x
    x = 1,024,524,158.80/36,891.25
  6. Step 6: Final answer
    x = 27,771.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.